/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #00AFF0;
    --color-primary-dark: #0095D0;
    --color-primary-light: #E5F7FD;
    --color-secondary: #7B2FBE;
    --color-green: #00C851;
    --color-orange: #FF8800;
    --color-white: #FFFFFF;
    --color-bg: #F5F7FA;
    --color-text: #1A1A2E;
    --color-text-light: #6B7280;
    --color-border: #E5E7EB;
    --color-footer: #0F172A;
    --color-footer-text: #94A3B8;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

[v-cloak] { display: none; }

/* ===== Container ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition);
    white-space: nowrap;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 175, 240, 0.35);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--outline-light {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

.btn--white {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.btn--white:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn--outline-white {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline-white:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

.btn--large {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn--block {
    display: flex;
    justify-content: center;
    width: 100%;
}

/* ===== Header / Nav ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition);
    padding: 4px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
}

.header--scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
    transition: color var(--transition);
    z-index: 1001;
}

.nav__logo img {
    height: 36px;
    width: auto;
    border-radius: 8px;
}

.header--scrolled .nav__logo {
    color: var(--color-text);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__item {
    position: relative;
}

.nav__link {
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.header--scrolled .nav__link {
    color: var(--color-text);
}

.nav__link:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.header--scrolled .nav__link:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.nav__arrow {
    font-size: 10px;
    transition: transform var(--transition);
}

.nav__item:hover .nav__arrow {
    transform: rotate(180deg);
}

.nav__submenu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    padding: 8px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav__item:hover .nav__submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav__submenu a {
    display: block;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--color-text);
    transition: all var(--transition);
}

.nav__submenu a:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav__actions .btn--outline {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.header--scrolled .nav__actions .btn--outline {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.nav__actions .btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.header--scrolled .nav__actions .btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.nav__overlay,
.nav__menu-header,
.nav__item--cta {
    display: none;
}

.nav__group-title {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
}

.nav__group-title::after {
    content: '▾';
    font-size: 10px;
    transition: transform var(--transition);
}

.nav__item--group:hover .nav__group-title::after {
    transform: rotate(180deg);
}

.nav__item--group:hover .nav__group-title {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.nav__item--group {
    position: relative;
}

.nav__item--group:hover .nav__submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav__submenu--open {
    opacity: 0;
    visibility: hidden;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}

.header--scrolled .nav__toggle span {
    background: var(--color-text);
}

.nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 100px 0 80px;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #00AFF0 0%, #0078D4 40%, #5B2D8E 100%);
    z-index: -2;
}

.hero__gradient {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.hero__gradient--1 {
    width: 500px;
    height: 500px;
    background: #00AFF0;
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero__gradient--2 {
    width: 400px;
    height: 400px;
    background: #7B2FBE;
    bottom: -50px;
    left: -50px;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.05); }
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__text {
    color: var(--color-white);
}

.hero__title {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero__title-highlight {
    background: linear-gradient(90deg, #FFD700, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.15rem;
    line-height: 1.7;
    opacity: 0.9;
    margin-bottom: 36px;
    max-width: 520px;
}

.hero__cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.hero__note {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero__note a {
    text-decoration: underline;
    font-weight: 600;
}

.hero__note a:hover {
    opacity: 1;
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__mockup {
    width: 380px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px;
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

.hero__mockup-screen {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.hero__mockup-header {
    background: #F0F0F0;
    padding: 12px 16px;
    display: flex;
    align-items: center;
}

.hero__mockup-dots {
    display: flex;
    gap: 6px;
}

.hero__mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #D0D0D0;
}

.hero__mockup-dots span:nth-child(1) { background: #FF5F57; }
.hero__mockup-dots span:nth-child(2) { background: #FFBD2E; }
.hero__mockup-dots span:nth-child(3) { background: #28CA41; }

.hero__mockup-title {
    font-size: 0.8rem;
    color: #999;
    margin-left: 8px;
    font-weight: 500;
}

.hero__mockup-body {
    padding: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.hero__mockup-avatar {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
}

.hero__mockup-avatar--1 { background: linear-gradient(135deg, #FF6B6B, #FF8E53); }
.hero__mockup-avatar--2 { background: linear-gradient(135deg, #4FACFE, #00F2FE); }
.hero__mockup-avatar--3 { background: linear-gradient(135deg, #43E97B, #38F9D7); }
.hero__mockup-avatar--4 { background: linear-gradient(135deg, #FA709A, #FEE140); }

.hero__mockup-call {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #00AFF0;
    border-radius: 50px;
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
}

.hero__mockup-call-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4); }
    50% { box-shadow: 0 0 0 12px rgba(255, 255, 255, 0); }
}

.hero__wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    z-index: 1;
}

.hero__wave svg {
    display: block;
    width: 100%;
    height: auto;
}

/* ===== Section Common ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Features Section ===== */
.features {
    padding: 100px 0;
    background: var(--color-white);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.features__grid--3col {
    grid-template-columns: repeat(3, 1fr);
}

.feature-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card__icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: transform var(--transition);
}

.feature-card:hover .feature-card__icon {
    transform: scale(1.1);
}

.feature-card__icon--blue { background: #E5F7FD; }
.feature-card__icon--green { background: #E6F9EE; }
.feature-card__icon--purple { background: #F3E8FF; }
.feature-card__icon--orange { background: #FFF3E6; }

.feature-card__title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-text);
}

.feature-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.feature-card__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.feature-card__list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-text-light);
    padding: 6px 0;
}

.feature-card__list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===== Stats Section ===== */
.stats {
    padding: 80px 0;
    background: var(--color-white);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stats__item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stats__number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.stats__suffix {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 4px;
}

.stats__label {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-top: 8px;
    font-weight: 500;
}

/* ===== Page Hero (inner pages) ===== */
.page-hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}

.page-hero__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #00AFF0 0%, #0078D4 40%, #5B2D8E 100%);
    z-index: -1;
}

.page-hero__bg::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    top: -100px;
    right: -80px;
}

.page-hero__content {
    position: relative;
    z-index: 1;
}

.page-hero__title {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.page-hero__subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    line-height: 1.7;
}

/* ===== Page Banner (legacy) ===== */
.page-banner {
    position: relative;
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #00AFF0 0%, #0078D4 40%, #5B2D8E 100%);
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    top: -100px;
    right: -80px;
}

.page-banner .container {
    position: relative;
    z-index: 1;
}

.page-banner h1 {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.page-banner p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    line-height: 1.7;
}

/* ===== Product Cards ===== */
.product-section {
    padding: 80px 0;
    background: var(--color-bg);
}

.product-section--white {
    background: var(--color-white);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-card__icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: transform var(--transition);
}

.product-card:hover .product-card__icon {
    transform: scale(1.1);
}

.product-card__icon--blue { background: #E5F7FD; }
.product-card__icon--green { background: #E6F9EE; }
.product-card__icon--purple { background: #F3E8FF; }

.product-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.product-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 24px;
    flex: 1;
}

/* ===== Product Detail ===== */
.product-detail {
    padding: 80px 0;
}

.product-detail__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-detail__image {
    display: flex;
    justify-content: center;
}

.product-detail__mockup {
    width: 380px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
}

.product-detail__mockup-screen {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 24px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-detail__text h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--color-text);
}

.product-detail__text p {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}

.product-detail__features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
}

.product-detail__features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 500;
}

.product-detail__features li svg {
    flex-shrink: 0;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 80px 0;
    background: var(--color-white);
}

.cta-section__card {
    background: linear-gradient(135deg, #00AFF0 0%, #0078D4 50%, #5B2D8E 100%);
    border-radius: var(--radius-xl);
    padding: 64px 48px;
    text-align: center;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.cta-section__card::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    top: -50px;
    right: -50px;
}

.cta-section__card::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    bottom: -30px;
    left: -30px;
}

.cta-section__title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.cta-section__subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 36px;
    position: relative;
    z-index: 1;
}

.cta-section__buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ===== About Page ===== */
.about-section {
    padding: 80px 0;
    background: var(--color-white);
}

.about-section--gray {
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--color-text);
}

.about-text p {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-image-placeholder {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #E5F7FD, #F3E8FF);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--color-primary);
}

/* ===== Case Page ===== */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.case-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.case-card__image {
    width: 100%;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, #E5F7FD, #F3E8FF);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.case-card__body {
    padding: 24px;
}

.case-card__tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.case-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
}

.case-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===== Help / FAQ Page ===== */
.help-section {
    padding: 80px 0;
    background: var(--color-bg);
}

.faq__list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq__item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition);
}

.faq__item:hover {
    border-color: var(--color-primary);
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    transition: color var(--transition);
}

.faq__question:hover {
    color: var(--color-primary);
}

.faq__arrow {
    flex-shrink: 0;
    transition: transform var(--transition);
}

.faq__item.active .faq__arrow {
    transform: rotate(180deg);
}

.faq__item.active .faq__question {
    color: var(--color-primary);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq__item.active .faq__answer {
    max-height: 300px;
}

.faq__answer p {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== Fee Page ===== */
.fee-section {
    padding: 80px 0;
    background: var(--color-white);
}

.fee-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
}

.fee-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.fee-table thead {
    background: linear-gradient(135deg, #00AFF0, #0078D4);
    color: white;
}

.fee-table th {
    padding: 16px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
}

.fee-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.fee-table tbody tr {
    transition: background var(--transition);
}

.fee-table tbody tr:hover {
    background: var(--color-primary-light);
}

.fee-table tbody tr:last-child td {
    border-bottom: none;
}

.fee-quality {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.fee-quality--high {
    background: #E6F9EE;
    color: #00C851;
}

.fee-quality--good {
    background: #FFF3E6;
    color: #FF8800;
}

/* ===== 404 Page ===== */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--color-bg);
    padding: 40px 24px;
}

.error-page__code {
    font-size: 8rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 16px;
}

.error-page__title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.error-page__desc {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-footer);
    color: var(--color-footer-text);
    padding: 64px 0 32px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
}

.footer__brand img {
    height: 32px;
    width: auto;
    border-radius: 6px;
}

.footer__desc {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 300px;
}

.footer__social {
    display: flex;
    gap: 12px;
}

.footer__social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-footer-text);
    transition: all var(--transition);
}

.footer__social-link:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

.footer__col-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__links a {
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer__links a:hover {
    color: var(--color-primary);
}

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
    font-size: 0.85rem;
}

.footer__copyright a {
    color: var(--color-footer-text);
    transition: color var(--transition);
}

.footer__copyright a:hover {
    color: var(--color-primary);
}

/* ===== Section Variants ===== */
.section {
    padding: 80px 0;
}

.section--gray {
    background: var(--color-bg);
}

.section--dark {
    background: var(--color-footer);
}

/* ===== Country Grid ===== */
.country-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

.country-item {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    text-align: center;
    transition: all var(--transition);
}

.country-item:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ===== Process Steps ===== */
.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
}

.step-label {
    font-size: 0.9rem;
    color: var(--color-text);
    font-weight: 500;
}

.process-arrow {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 700;
}

/* ===== Logo Wall ===== */
.logo-wall {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 16px;
}

.logo-item {
    aspect-ratio: 3/2;
    background: var(--color-white);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 12px;
    transition: all var(--transition);
}

.logo-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* ===== About Page ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--color-text);
}

.about-text p {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.contact-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.contact-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--color-text);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--color-text);
}

/* ===== Product Card Featured ===== */
.product-card--featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
    position: relative;
}

.product-card--featured::before {
    content: '推荐';
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 12px;
    background: var(--color-primary);
    color: white;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__cta {
        justify-content: center;
    }

    .hero__visual {
        display: none;
    }

    .hero__title {
        font-size: 2.6rem;
    }

    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-detail__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-detail__image {
        order: 2;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: 2;
    }

    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }

    .country-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .logo-wall {
        grid-template-columns: repeat(4, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .page-hero__title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav__overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 998;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    .nav__overlay.active {
        opacity: 1;
        pointer-events: all;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        gap: 0;
        padding: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        box-shadow: -4px 0 16px rgba(0, 0, 0, 0.1);
    }

    .nav__menu.active {
        transform: translateX(0);
    }

    .nav__menu-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 24px;
        border-bottom: 1px solid var(--color-border);
        font-size: 1.1rem;
        font-weight: 600;
        color: var(--color-text);
    }

    .nav__menu-close {
        background: none;
        border: none;
        font-size: 1.4rem;
        color: var(--color-text-light);
        cursor: pointer;
        padding: 4px 8px;
        line-height: 1;
    }

    .nav__menu .nav__link {
        color: var(--color-text);
        font-size: 1rem;
        padding: 14px 24px;
        width: 100%;
        box-sizing: border-box;
        border-radius: 0;
    }

    .nav__menu .nav__link:hover {
        background: var(--color-primary-light);
        color: var(--color-primary);
    }

    .nav__group-title {
        display: block;
        padding: 14px 24px 8px;
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--color-text-light);
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .nav__submenu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        padding: 0;
        display: block;
        background: none;
    }

    .nav__submenu a {
        padding: 12px 24px 12px 36px;
        font-size: 0.95rem;
        color: var(--color-text);
        display: block;
        transition: all var(--transition);
    }

    .nav__submenu a:hover {
        background: var(--color-primary-light);
        color: var(--color-primary);
    }

    .nav__item--cta {
        margin-top: 16px;
        padding: 0 24px;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__actions {
        display: none;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .hero__cta {
        flex-direction: column;
        align-items: center;
    }

    .features__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .stats__number {
        font-size: 2.4rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .case-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .cta-section__card {
        padding: 48px 24px;
    }

    .cta-section__title {
        font-size: 1.8rem;
    }

    .page-banner h1 {
        font-size: 2rem;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .country-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .logo-wall {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-steps {
        flex-direction: column;
        gap: 8px;
    }

    .process-arrow {
        transform: rotate(90deg);
    }

    .page-hero__title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 1.7rem;
    }

    .hero__mockup {
        width: 280px;
    }

    .stats__grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .cta-section__buttons {
        flex-direction: column;
        align-items: center;
    }

    .country-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .logo-wall {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== Solution Section ===== */
.solution-section {
    padding: 100px 0;
    background: var(--color-white);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.solution-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.solution-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition);
}

.solution-card:hover::after {
    transform: scaleX(1);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.solution-card--featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
}

.solution-card--featured::after {
    transform: scaleX(1);
}

.solution-card__icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: transform var(--transition);
}

.solution-card:hover .solution-card__icon {
    transform: scale(1.1);
}

.solution-card__icon--blue { background: #E5F7FD; }
.solution-card__icon--green { background: #E6F9EE; }
.solution-card__icon--purple { background: #F3E8FF; }

.solution-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.solution-card__desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.solution-card__list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.solution-card__list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--color-text);
    font-weight: 500;
}

.solution-card__list li svg {
    flex-shrink: 0;
}

/* ===== Trust Section ===== */
.trust-section {
    padding: 100px 0;
    background: var(--color-bg);
}

.trust-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
}

.trust-tab {
    padding: 12px 32px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-light);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    cursor: pointer;
}

.trust-tab:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.trust-tab--active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.trust-tab--active:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
}

@media (max-width: 1024px) {
    .solution-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .solution-grid {
        max-width: 400px;
    }

    .trust-tabs {
        gap: 4px;
    }

    .trust-tab {
        padding: 10px 24px;
        font-size: 0.9rem;
    }
}

/* ===== Fee Search ===== */
.fee-search {
    max-width: 640px;
    margin: 0 auto 40px;
}

.fee-search__input-wrap {
    display: flex;
    align-items: center;
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: 50px;
    padding: 4px 4px 4px 20px;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.fee-search__input-wrap:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(0, 175, 240, 0.1);
}

.fee-search__icon {
    flex-shrink: 0;
    margin-right: 12px;
}

.fee-search__input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 0.95rem;
    color: var(--color-text);
    background: transparent;
    padding: 12px 0;
    font-family: inherit;
}

.fee-search__input::placeholder {
    color: var(--color-text-light);
}

.fee-search__btn {
    flex-shrink: 0;
    padding: 12px 28px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}

.fee-search__btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 175, 240, 0.35);
}

/* ===== Fee Pagination ===== */
.fee-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 24px 0 8px;
    flex-wrap: wrap;
}

.fee-pagination__info {
    font-size: 0.85rem;
    color: var(--color-text-light);
    padding: 0 8px;
}

.fee-pagination__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    cursor: pointer;
}

.fee-pagination__btn a {
    color: var(--color-primary);
    text-decoration: none;
}

.fee-pagination__btn:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.fee-pagination__btn--disabled {
    color: var(--color-text-light);
    cursor: not-allowed;
    opacity: 0.5;
}

.fee-pagination__btn--disabled:hover {
    border-color: var(--color-border);
    background: var(--color-bg);
}

@media (max-width: 768px) {
    .fee-search__input-wrap {
        border-radius: var(--radius-md);
        padding: 4px 4px 4px 12px;
    }

    .fee-search__btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .fee-search__input {
        font-size: 0.9rem;
    }

    .fee-pagination {
        gap: 4px;
    }

    .fee-pagination__btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}